"Ask utilizes Web crawlers to collect raw data and gather information that is used in building our ever-expanding search index. Crawling ensures that the information in our results is as up-to-date and relevant as it can possibly be. Our crawlers are well designed and professionally operated, providing an invaluable service that is in accordance with search industry standards."

But in the past, you were able to do paid inclusion, that is no longer available. But as Ask.com says, they do want to find new pages during the normal crawl process.